Quantum random number generator independent of measurement end devices

A quantum random number and measurement terminal technology, applied in random number generators, instruments, electrical digital data processing, etc., can solve problems such as potential safety hazards, imperfect devices, and difficulty in estimating the minimum entropy, so as to solve potential safety hazards and realize accurate estimation Effect

Inactive Publication Date: 2017-10-17
UNIV OF SCI & TECH OF CHINA
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, under realistic conditions, the devices used are not perfect, and its influence on the minimum entropy is difficult to quantify in the model, making it very diffic

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  • Quantum random number generator independent of measurement end devices
  • Quantum random number generator independent of measurement end devices
  • Quantum random number generator independent of measurement end devices

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[0021] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

[0022] The embodiment of the present invention provides a quantum random number generator independent of the measuring end device, such as figure 1 As shown, it mainly includes two parts: a trusted random source 1 and an untrusted measurement terminal 2;

[0023] The trusted random source 1 works randomly in the random number generation mode and the security check mode; in the random number generation mode, the trusted random source 1 sends a fixed quantu...

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Abstract

The invention discloses a quantum random number generator independent of measurement end devices. The quantum random number generator includes a credible random source and an incredible measurement end; the credible random source randomly works in a random number generation mode and a safety verifying mode; in the random number generation mode, the credible random source sends a fixed quantum states to the incredible measurement end, and the incredible measurement end performs measurement; in the safety verifying mode, the credible random source sends different quantum states to the incredible measurement end, real-time safety verifying is performed according to a measurement result output by the incredible measurement end, the minimum entropy of original random data is estimated according to the measurement result, and random numbers independent of the measurement end devices are generated. The scheme of the invention can effectively eliminate potential safety hazard due to incredibility and imperfection of measurement devices.

Description

technical field [0001] The invention relates to quantum random number generation technology, in particular to a quantum random number generator irrelevant to devices at the measurement end. Background technique [0002] Random numbers are a widely used basic resource, and have extensive and important applications in many fields such as quantum communication, cryptography, gaming, Monte Carlo simulation, numerical computing, random sampling, neural network computing, and traditional information security. The randomness of the quantum random number generator is derived from the basic principles of quantum physics. Compared with the traditional pseudo-random number generator and noise source random number generator, the source of its randomness is clearer, and its randomness can be strictly proved by using the minimum entropy theory. , and can generate true random numbers with a series of basic characteristics such as unpredictability, non-reproducibility and unbiasedness. [...

Claims

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Application Information

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IPC IPC(8): G06F7/58
CPCG06F7/588
Inventor 张军聂友奇潘建伟
Owner UNIV OF SCI & TECH OF CHINA
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